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Mark wants to paint a mural. He has 1 1/4 gallons of yellow paint, 1 1/5 gallons of green paint and 7/8 gallon
of blue paint. Mark plans to use 3/4 gallon of each paint color. How many gallons of paint will he have left
after painting the mural? Enter your answer as a simplified fraction.

 Mar 6, 2021
 #1
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LCM  4   5   8  = 40   convert to denominator 40

 

yellow = 50/40      green = 48/40       blue = 35/40

 

total ( 50 + 48 + 35) / 40 = 133/40    

Now use 3/4 gal of each  (  3/4  is  30 /40 )

 

133/40 -      3 * 30/40    =   43/40   =   1  3/40 gal paint left

 Mar 7, 2021
edited by ElectricPavlov  Mar 7, 2021

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